Question

Evaluate the following;

a. 9p2

b. 6p4

c. 12p3

d. 10p8

Answer 1

$a. \frac{9!}{\left(9-2\right)!}=72\\ b. \frac{6!}{\left(6-4\right)!}=360\\ c. \frac{12!}{\left(12-3\right)!}=1320\\ d. \frac{10!}{\left(10-8\right)!}=1814400$